197847

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 327600

約数和(自身を除く): 129753

約数列:

[1, 3, 9, 13, 19, 39, 57, 89, 117, 171, 247, 267, 741, 801, 1157, 1691, 2223, 3471, 5073, 10413, 15219, 21983, 65949, 197847]

約数ペア:

[(1, 197847), (3, 65949), (9, 21983), (13, 15219), (19, 10413), (39, 5073), (57, 3471), (89, 2223), (117, 1691), (171, 1157), (247, 801), (267, 741)]